Pick the odd one out.

1. Germany was not allowed air force and submarines after the first World War
2. Germany was to demilitarize the Rhine valley after the first World War
3. She had to pay no fine after the first World War
4. Germany was to limit its Army after the first World War

The reason for Hitler's invasion of Poland:

1. To regain the lost territories
2. To connect to East Prussia
3. Poland was accused of committing atrocities against Germans
4. All of the above

The immediate cause of the Second World War was:

1. Assassination of Archduke Ferdinand
2. Attack on Pearl Harbour
3. Invasion of Poland
4. Treaty of Versailles

What was the duration of the Second World War?

1. 1914-1918
2. 1939-1945
3. 1937-1945
4. 1930-1945